31301231102013 has 8 divisors (see below), whose sum is σ = 43081264312576. Its totient is φ = 20194342646400.

The previous prime is 31301231101999. The next prime is 31301231102017. The reversal of 31301231102013 is 31020113210313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31301231102013 - 2⁹ = 31301231101501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301231102017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168286188628 + ... + 168286188813.

It is an arithmetic number, because the mean of its divisors is an integer number (5385158039072).

Almost surely, 2^{31301231102013} is an apocalyptic number.

It is an amenable number.

31301231102013 is a deficient number, since it is larger than the sum of its proper divisors (11780033210563).

31301231102013 is a wasteful number, since it uses less digits than its factorization.

31301231102013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336572377475.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 31301231102013 its reverse (31020113210313), we get a palindrome (62321344312326).

The spelling of 31301231102013 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, one hundred two thousand, thirteen".